I believe that this is related to snmpd dying when you port scan a box. Applying Maintenance Level 7 on AIX 4.3.3 seemed to fix the problem for us. -----Original Message----- From: Eoin D. Fleming [mailto:rtfm@eircom.net] Sent: Monday, September 24, 2001 4:27 PM To: bugtraq@securityfocus.com Subject: HACMP and port scans It appears that IBM's HACMP 4.4 clustering software can be induced to fail simply by port scanning clustered machines, has anyone come accross this vulnerability and is there a workaround? Thanks, RT